56045305 has 4 divisors (see below), whose sum is σ = 67254372. Its totient is φ = 44836240.

The previous prime is 56045281. The next prime is 56045309. The reversal of 56045305 is 50354065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50354065 = 5 ⋅10070813.

It can be written as a sum of positive squares in 2 ways, for example, as 31125241 + 24920064 = 5579^2 + 4992^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56045305 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56045309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5604526 + ... + 5604535.

It is an arithmetic number, because the mean of its divisors is an integer number (16813593).

Almost surely, 2^56045305 is an apocalyptic number.

It is an amenable number.

56045305 is a deficient number, since it is larger than the sum of its proper divisors (11209067).

56045305 is a wasteful number, since it uses less digits than its factorization.

56045305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209066.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 56045305 is about 7486.3412291987. The cubic root of 56045305 is about 382.6893817765.

The spelling of 56045305 in words is "fifty-six million, forty-five thousand, three hundred five".